Base | Representation |
---|---|
bin | 1011001110010… |
… | …0000011110000 |
3 | 10021120110220212 |
4 | 2303210003300 |
5 | 44022241342 |
6 | 4400523252 |
7 | 1111046420 |
oct | 263440360 |
9 | 107513825 |
10 | 47071472 |
11 | 24630548 |
12 | 13920528 |
13 | 99a1456 |
14 | 6374480 |
15 | 41ec182 |
hex | 2ce40f0 |
47071472 has 40 divisors (see below), whose sum is σ = 104564736. Its totient is φ = 20108736.
The previous prime is 47071469. The next prime is 47071483. The reversal of 47071472 is 27417074.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54113 + ... + 54975.
Almost surely, 247071472 is an apocalyptic number.
It is an amenable number.
47071472 is an abundant number, since it is smaller than the sum of its proper divisors (57493264).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47071472 is a wasteful number, since it uses less digits than its factorization.
47071472 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1365 (or 1359 counting only the distinct ones).
The product of its (nonzero) digits is 10976, while the sum is 32.
The square root of 47071472 is about 6860.8652515554. The cubic root of 47071472 is about 361.0654444570.
The spelling of 47071472 in words is "forty-seven million, seventy-one thousand, four hundred seventy-two".
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